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Conserving the Devonshire Avon from source to sea


by | May 2, 2023 | Main | 0 comments

The discharge of sewage from 6 main treatment works into the Avon during 2021 and 2022 is listed below.  The situation is getting worse overall although South Brent WTW showed marked improvement in both a reduced frequency and shorter  duration of discharges, whilst Aveton Gifford had no overflows during 2022.  On the other hand,  Diptford STW and Moreleigh STW were particularly bad with 45% and 96% increases in the frequency of overflows,  and 212% and 113% increases in the duration of discharges, respectively.

The % changes in frequency and total hours duration of CSOs are compared between 2021 and 2022  in the following Excel table for the 6 main discharge sites on the Avon:- CSOs 2021_2022 AVON


Clearly, SouthWest Water have some way to go before achieving the  ‘Waterfit’ target quoted in their Water Resources Management Plan consultation of 2022 which states their goals as follows:-

  1. To nurture healthy rivers and seas.
  2. To reduce our impact of rivers by one third by 2025
  3. Put forward plans to target zero harm by 2030
  4. To reduce spills from strom overflows to an average of 20 per year by 2025
  5. To target zero serious pollution by 2025
  6. To continue a year-on-year reduction in all pollution


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